{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286160",
    "entityType": "User",
    "nonce": "0xee8694dafc93e98a59a1a3b081de74381ea90bfb3997b9da916e02a17267c889",
    "signature": "0x9dc78f804a0b9308d8caaca2c0ade03bd09cc17a69e56df2a948c8979b4990747715b98a974fc122425842338015f701cc593a9dcfc275b364c323ab0ec378481c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}